Explanation of how the number of participants for analysis was determined.
Includes whether analysis was per protocol, intention to treat, or another method.
Also provides relevant details such as imputation technique, as appropriate.

Tests of Airway Caliber and Responsiveness (Forced Expiratory Volume in One Second (FEV1) Pre- and Post-bronchodilator Inhalation), Methacholine Provocative Concentration at 20% (PC20) [ Time Frame: Measured during the 36-week treatment period ]